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/** |
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* @project Chameleon |
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* @revision $Id: cwc_dhtml.js,v 1.18 2005/03/30 19:20:37 pspencer Exp $ |
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* @purpose DHTML utilities for Chameleon widgets |
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* @author DM Solutions Group (spencer@dmsolutions.ca) |
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* @copyright |
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* <b>Copyright (c) 2002, DM Solutions Group Inc.</b> |
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* Permission is hereby granted, free of charge, to any person obtaining a |
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* copy of this software and associated documentation files (the "Software"), |
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* to deal in the Software without restriction, including without limitation |
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* the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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* and/or sell copies of the Software, and to permit persons to whom the |
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* Software is furnished to do so, subject to the following conditions: |
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* |
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* The above copyright notice and this permission notice shall be included |
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* in all copies or substantial portions of the Software. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
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* DEALINGS IN THE SOFTWARE. |
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*/ |
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|
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//browser detection |
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var CWCIsNav4 = (document.layers) ? 1:0; |
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var CWCIsIE = (document.all) ? 1:0; |
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var CWCIsNav6 = (document.getElementById && !document.all) ? 1:0; |
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|
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/** |
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* a global layer that can be used to mask off the page |
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* useful for showing popup divs and preventing access to the |
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* main application while the div is popped up |
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* |
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* suggested useage is to call CWCDHTML_ShowMaskLayer( zIndex ) |
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* with zIndex = <int> that would be just below your popup div zIndex. |
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* |
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* when done with the mask layer, call CWCDHTML_HideMaskLayer() |
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* |
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* You can style the mask layer by calling CWCDHTML_GetMaskLayer() to |
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* retrieve a style object for the layer. |
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*/ |
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|
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var gszCWCMaskLayerName = 'CWCMaskLayer'; |
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var goCWCMaskLayer = null; |
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CWCDHTML_CreateLayer( gszCWCMaskLayerName, -10000, -10000, 1, 1, false, ' ' ); |
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|
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function CWCDHTML_InitializeMaskLayer() |
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{ |
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CWCDHTML_SetLayerBackgroundColor( gszCWCMaskLayerName, '#ffffff' ); |
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CWCDHTML_SetLayerOpacity( gszCWCMaskLayerName, 25 ); |
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|
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goCWCMaskLayer = CWCDHTML_GetLayer( gszCWCMaskLayerName, true ); |
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goCWCMaskLayer.onmousemove = CWCDHTML_MaskLayerMouseHandler; |
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goCWCMaskLayer.onmouseup = CWCDHTML_MaskLayerMouseHandler; |
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goCWCMaskLayer.onmousedown = CWCDHTML_MaskLayerMouseHandler; |
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} |
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|
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function CWCDHTML_MaskLayerMouseHandler( e ) |
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{ |
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if (CWCIsIE) |
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{ |
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e = event; |
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e.cancelBubble = true; |
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e.returnValue = false; |
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} |
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else |
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{ |
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if (e.cancelable) |
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e.cancelBubble = true; |
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} |
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} |
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|
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function CWCDHTML_ShowMaskLayer( zIndex ) |
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{ |
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if( goCWCMaskLayer == null) |
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{ |
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CWCDHTML_InitializeMaskLayer(); |
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} |
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|
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var browserWH = CWCDHTML_GetBrowserWH(); |
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|
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CWCDHTML_SetLayerSize( gszCWCMaskLayerName, browserWH[0], browserWH[1] ); |
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CWCDHTML_SetLayerZOrder( gszCWCMaskLayerName, zIndex ); |
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CWCDHTML_SetLayerPos( gszCWCMaskLayerName, 0, 0 ); |
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CWCDHTML_ShowLayer( gszCWCMaskLayerName ); |
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} |
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|
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function CWCDHTML_GetMaskLayer( ) |
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{ |
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if( goCWCMaskLayer == null) |
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{ |
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CWCDHTML_InitializeMaskLayer(); |
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} |
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|
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return goCWCMaskLayer; |
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} |
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|
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function CWCDHTML_HideMaskLayer() |
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{ |
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if( goCWCMaskLayer == null) |
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{ |
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CWCDHTML_InitializeMaskLayer(); |
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} |
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CWCDHTML_HideLayer( gszCWCMaskLayerName ); |
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} |
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|
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/* ==================================================================== */ |
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/* CWCDHTML_GetBrowserWH( ) */ |
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/* returns width and height of current browser window */ |
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/* ==================================================================== */ |
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function CWCDHTML_GetBrowserWH( ) |
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{ |
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var aWinWH = Array(); |
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|
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if (self.innerHeight) // all except Explorer |
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{ |
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aWinWH[0] = self.innerWidth; |
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aWinWH[1] = self.innerHeight; |
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} |
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else if (document.documentElement && document.documentElement.clientHeight) |
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// Explorer 6 Strict Mode |
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{ |
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aWinWH[0] = document.documentElement.clientWidth; |
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aWinWH[1] = document.documentElement.clientHeight; |
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} |
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else if (document.body) // other Explorers |
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{ |
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aWinWH[0] = document.body.clientWidth; |
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aWinWH[1] = document.body.clientHeight; |
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} |
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return aWinWH; |
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} |
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|
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|
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/* ==================================================================== */ |
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/* CWCDHTML_GetImage( szImage ) */ |
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/* returns a handle on an Image object */ |
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/* ==================================================================== */ |
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function CWCDHTML_GetImage( szImage ) |
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{ |
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var obj = null; |
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if (CWCIsNav4) //Netscape 4.x |
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{ |
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obj = document.images[szImage]; |
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} |
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else |
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{ |
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obj = document.getElementById(szImage); |
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} |
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return obj; |
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} |
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|
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|
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/* ==================================================================== */ |
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/* CWCDHTML_GetLayer( name ) */ |
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/* returns a handle on a Layer object */ |
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/* if optional arg (true) is set - layer returned writes to contents */ |
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/* ==================================================================== */ |
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function CWCDHTML_GetLayer( name ) |
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{ |
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if (CWCIsNav4) // Netscape |
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{ |
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return document.layers[name]; |
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} |
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else if (CWCIsIE) // IE |
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{ |
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if (eval('document.all.' + name) != null) |
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{ |
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if( arguments.length > 1 && arguments[1] == true ) |
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{ |
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layer = eval('document.all.' + name); |
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} |
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else |
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{ |
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layer = eval('document.all.' + name + '.style'); |
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} |
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return layer; |
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|
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} |
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else |
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{ |
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return null; |
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} |
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} |
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else if (CWCIsNav6) |
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{ |
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if (eval('document.getElementById("' + name + '")') != null) |
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{ |
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if( arguments.length > 1 && arguments[1] == true ) |
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{ |
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layer = eval('document.getElementById("' + name + '")'); |
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} |
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else |
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{ |
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layer = eval('document.getElementById("' + name + '").style'); |
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} |
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return layer; |
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} |
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else |
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{ |
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return null; |
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} |
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} |
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else // Don't know |
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{ |
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return null; |
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} |
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} |
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|
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|
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/* ==================================================================== */ |
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/* CWCDHTML_SetLayerZOrder( name, nLevel ) */ |
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/* sets the z-Index on a layer */ |
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/* ==================================================================== */ |
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function CWCDHTML_SetLayerZOrder( name, nLevel ) |
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{ |
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var layer = CWCDHTML_GetLayer( name ); |
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layer.zIndex = nLevel; |
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//CWCIsNav4 ? layer.zIndex = nLevel : layer.style.zIndex = nLevel; |
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} |
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|
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|
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/* ==================================================================== */ |
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/* CWCDHTML_ClipLayer(name, clipleft, cliptop, clipright, clipbottom) */ |
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/* clips a layer */ |
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/* ==================================================================== */ |
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function CWCDHTML_ClipLayer(name, clipleft, cliptop, clipright, clipbottom) |
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{ |
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var layer = CWCDHTML_GetLayer(name); |
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if (layer != null) |
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{ |
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if (CWCIsNav4) // Netscape |
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{ |
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layer.clip.left = clipleft; |
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layer.clip.top = cliptop; |
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layer.clip.right = clipright; |
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layer.clip.bottom = clipbottom; |
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} |
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else if (CWCIsIE) // IE |
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{ |
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layer.clip = 'rect(' + cliptop + ' ' + clipright + ' ' + |
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clipbottom + ' ' + clipleft + ')'; |
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} |
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else if (CWCIsNav6) // Netscape 6 |
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{ |
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layer.clip = 'rect(' + cliptop + 'px,' + clipright + 'px,' + |
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clipbottom + 'px,' + clipleft + 'px)'; |
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} |
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} |
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} |
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|
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|
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/* ======================================================================== */ |
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/* CWCDHTML_CreateLayer(name, left, top, width, height, visible, content) */ |
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/* creates a layer */ |
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/* ======================================================================== */ |
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function CWCDHTML_CreateLayer(name, left, top, width, height, visible, content) |
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{ |
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var layer, str; |
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if (CWCIsNav4) |
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{ // Netscape |
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str = '<layer id="' + name + '" name="'+name+'" left=' + left + ' top=' + top + |
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' width=' + width + ' height=' + height + |
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' visibility=' + (visible ? '"show"' : '"hide"') + '>'; |
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document.writeln(str); |
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document.writeln(content); |
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document.writeln('</layer>'); |
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layer = CWCDHTML_GetLayer(name); |
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layer.width = width; |
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layer.height = height; |
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} |
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else if (CWCIsIE || CWCIsNav6) |
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{ // IE |
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str = '<div id="' + name + |
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'" name="' + name + '" style="position:absolute; overflow:hidden; left:' + left + |
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'px; top:' + top + 'px; width:' + width + 'px; height:' + height + |
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'px;' + ' visibility:' + (visible ? 'visible;' : 'hidden;') + '">'; |
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document.writeln(str); |
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document.writeln(content); |
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document.writeln('</div>'); |
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} |
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else |
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{ |
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return null; |
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} |
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} |
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|
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|
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/* ==================================================================== */ |
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/* CWCDHTML_SetLayerBackgroundColor(name, color) */ |
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/* sets the background color of a layer */ |
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/* ==================================================================== */ |
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function CWCDHTML_SetLayerBackgroundColor(name, color) |
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{ |
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var layer = CWCDHTML_GetLayer(name); |
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if (layer != null) |
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{ |
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if (CWCIsNav4) // Netscape |
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{ |
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layer.bgColor = color; |
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} |
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else if (CWCIsIE || CWCIsNav6) // IE |
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{ |
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layer.backgroundColor = color; |
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} |
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} |
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} |
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|
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|
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/* ==================================================================== */ |
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/* CWCDHTML_SetLayerOpacity(name, opacity) */ |
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/* sets the opacity/alpha of a layer */ |
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/* ==================================================================== */ |
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function CWCDHTML_SetLayerOpacity(name, opacity) |
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{ |
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var layer = CWCDHTML_GetLayer( name ); |
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if (layer != null) |
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{ |
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if (CWCIsNav4) |
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{ |
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//netscape 4 doesn't support transparency |
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return; |
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} |
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else if (CWCIsIE) |
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{ |
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if (opacity <= 1) |
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opacity = opacity * 100; |
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layer.filter = "Alpha(opacity=" + opacity + ")"; |
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} |
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else if (CWCIsNav6) |
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{ |
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if (opacity > 1) |
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opacity = opacity / 100; |
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layer.MozOpacity = opacity; |
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} |
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} |
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} |
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|
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|
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/* ==================================================================== */ |
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/* CWCDHTML_GetLayerOpacity( layer ) */ |
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/* returns the opacity/alpha of a layer */ |
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/* ==================================================================== */ |
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function CWCDHTML_GetLayerOpacity( layer ) |
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{ |
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var opacity = null; |
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if (CWCIsNav6) |
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{ |
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opacity = layer.style.MozOpacity; |
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} |
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else if (CWCIsIE) |
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{ |
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var filter = layer.style.filter; |
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var start = filter.indexOf( "=" ) + 1; |
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var end = filter.indexOf( ")" ); |
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opacity = filter.substring( start, end); |
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} |
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return opacity; |
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} |
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|
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|
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/* ==================================================================== */ |
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/* CWCDHTML_ShowLayer(name) */ |
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/* makes a layer visible */ |
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/* ==================================================================== */ |
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function CWCDHTML_ShowLayer(name) |
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{ |
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var layer = CWCDHTML_GetLayer(name); |
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if (layer != null) |
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{ |
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if (CWCIsNav4) // Netscape |
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{ |
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layer.visibility = "show"; |
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layer.display = 'block'; |
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} |
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else if (CWCIsIE || CWCIsNav6) // IE |
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{ |
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layer.visibility = "visible"; |
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layer.display = 'block'; |
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} |
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} |
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} |
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|
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|
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/* ==================================================================== */ |
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/* CWCDHTML_HideLayer(name) */ |
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/* makes a layer hidden */ |
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/* ==================================================================== */ |
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function CWCDHTML_HideLayer(name) |
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{ |
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var layer = CWCDHTML_GetLayer(name); |
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if (layer != null) |
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{ |
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if (CWCIsNav4) |
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{ // Netscape |
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layer.visibility = "hide"; |
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layer.display = 'none'; |
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} |
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else if (CWCIsIE || CWCIsNav6) |
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{ |
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layer.visibility = "hidden"; |
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layer.display = 'none'; |
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} |
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} |
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else |
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alert( 'layer is null? ' + name ); |
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} |
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|
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|
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/* ==================================================================== */ |
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/* CWCDHTML_FindObjectPosX(obj) */ |
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/* returns the X (left) position of an object */ |
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/* ==================================================================== */ |
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function CWCDHTML_FindObjectPosX(obj) |
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{ |
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var curleft = 0; |
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if (document.getElementById || document.all) |
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{ |
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while (obj.offsetParent) |
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{ |
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426 |
curleft += obj.offsetLeft; |
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obj = obj.offsetParent; |
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} |
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} |
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else if (document.layers) |
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curleft += obj.x; |
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return curleft; |
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} |
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|
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|
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436 |
/* ==================================================================== */ |
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437 |
/* CWCDHTML_FindObjectPosY(obj) */ |
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/* returns the Y (top) position of an object */ |
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439 |
/* ==================================================================== */ |
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440 |
function CWCDHTML_FindObjectPosY(obj) |
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{ |
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var curtop = 0; |
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if (document.getElementById || document.all) |
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{ |
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while (obj.offsetParent) |
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{ |
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curtop += obj.offsetTop; |
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obj = obj.offsetParent; |
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} |
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} |
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else if (document.layers) |
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curtop += obj.y; |
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return curtop; |
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} |
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|
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|
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/* ==================================================================== */ |
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458 |
/* CWCDHTML_FindObjectPos(oElement) */ |
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459 |
/* returns the X & Y positions of an object as an array */ |
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460 |
/* ==================================================================== */ |
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461 |
function CWCDHTML_FindObjectPos(oElement) |
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462 |
{ |
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463 |
var aPos = new Array(2); |
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464 |
aPos[0] = CWCDHTML_FindObjectPosX( oElement ); |
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aPos[1] = CWCDHTML_FindObjectPosY( oElement ); |
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466 |
|
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467 |
if (arguments.length == 2 && CWCIsNav4) |
---|
468 |
{ |
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469 |
var oLayer = CWCDHTML_GetLayer( arguments[1] ); |
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|
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aPos[0] = aPos[0] + oLayer.left; |
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aPos[1] = aPos[1] + oLayer.top; |
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473 |
} |
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474 |
return aPos; |
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475 |
} |
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476 |
|
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477 |
|
---|
478 |
/* ==================================================================== */ |
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479 |
/* CWCDHTML_SetLayerPos(layerName, x, y) */ |
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480 |
/* sets layer position based on recieved x & y coords */ |
---|
481 |
/* ==================================================================== */ |
---|
482 |
function CWCDHTML_SetLayerPos(layerName, x, y) |
---|
483 |
{ |
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484 |
var oLayer = CWCDHTML_GetLayer(layerName); |
---|
485 |
|
---|
486 |
if (oLayer != null) |
---|
487 |
{ |
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488 |
oLayer.left=x; |
---|
489 |
oLayer.top=y; |
---|
490 |
} |
---|
491 |
else |
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492 |
alert( "layer " + layerName + " doesn't exist" ); |
---|
493 |
} |
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494 |
|
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495 |
|
---|
496 |
/* ==================================================================== */ |
---|
497 |
/* CWCDHTML_SetLayerVis(layerName, bVisible) */ |
---|
498 |
/* sets layer visibility based on true/false */ |
---|
499 |
/* ==================================================================== */ |
---|
500 |
function CWCDHTML_SetLayerVis(layerName, bVisible) |
---|
501 |
{ |
---|
502 |
var oLayer = CWCDHTML_GetLayer(layerName); |
---|
503 |
if (oLayer != null) //JC added |
---|
504 |
{ |
---|
505 |
if (CWCIsNav4) |
---|
506 |
{ |
---|
507 |
if (bVisible) |
---|
508 |
oLayer.visibility = "show"; |
---|
509 |
else |
---|
510 |
oLayer.visibility = "hide"; |
---|
511 |
} |
---|
512 |
else |
---|
513 |
{ |
---|
514 |
if (bVisible) |
---|
515 |
oLayer.visibility = "visible"; |
---|
516 |
else |
---|
517 |
oLayer.visibility = "hidden"; |
---|
518 |
} |
---|
519 |
} //JC added |
---|
520 |
} |
---|
521 |
|
---|
522 |
|
---|
523 |
/* ==================================================================== */ |
---|
524 |
/* CWCDHTML_SetLayerVis(layerName, bVisible) */ |
---|
525 |
/* sets layer visibility based on true/false */ |
---|
526 |
/* ==================================================================== */ |
---|
527 |
function CWCDHTML_SetLayerSize(layerName, imgWidth, imgHeight) |
---|
528 |
{ |
---|
529 |
|
---|
530 |
var oLayer = CWCDHTML_GetLayer( layerName ); |
---|
531 |
|
---|
532 |
oLayer.width = imgWidth; |
---|
533 |
oLayer.height = imgHeight; |
---|
534 |
|
---|
535 |
} |
---|
536 |
|
---|
537 |
|
---|
538 |
/* ==================================================================== */ |
---|
539 |
/* CWCDHTML_PositionLayerByImage( szLayer, szImage ) */ |
---|
540 |
/* positions layer based on image (tl,tr,bl,br) */ |
---|
541 |
/* ==================================================================== */ |
---|
542 |
function CWCDHTML_PositionLayerByImage( szLayer, szImage ) |
---|
543 |
{ |
---|
544 |
var oLayer = CWCDHTML_GetLayer( szLayer ); |
---|
545 |
var oImage = CWCDHTML_GetImage( szImage ); |
---|
546 |
var szPosition; |
---|
547 |
var aPos; |
---|
548 |
var x, y; |
---|
549 |
|
---|
550 |
//If no position specified then put the layer to the top left |
---|
551 |
if (arguments.length > 2) |
---|
552 |
szPosition = arguments[2]; |
---|
553 |
else |
---|
554 |
szPosition = "tl"; |
---|
555 |
|
---|
556 |
//Are there offsets set? |
---|
557 |
if (arguments.length == 5) |
---|
558 |
{ |
---|
559 |
nXOffset = arguments[3]; |
---|
560 |
nYOffset = arguments[4]; |
---|
561 |
} |
---|
562 |
else |
---|
563 |
{ |
---|
564 |
nXOffset = 0; |
---|
565 |
nYOffset = 0; |
---|
566 |
} |
---|
567 |
|
---|
568 |
//Get the Image position |
---|
569 |
aPos = CWCDHTML_FindObjectPos( oImage ); |
---|
570 |
x = aPos[0] + nXOffset;; |
---|
571 |
y = aPos[1] + nYOffset; |
---|
572 |
|
---|
573 |
if (szPosition == "tr" ) //top right |
---|
574 |
{ |
---|
575 |
x = x + oImage.width; |
---|
576 |
} |
---|
577 |
else if (szPosition == "bl" ) //bottom left |
---|
578 |
{ |
---|
579 |
y = y + oImage.height; |
---|
580 |
} |
---|
581 |
else if (szPosition == "br" ) //bottom right |
---|
582 |
{ |
---|
583 |
x = x + oImage.width; |
---|
584 |
y = y + oImage.height; |
---|
585 |
} |
---|
586 |
|
---|
587 |
if (oLayer == null) |
---|
588 |
alert( szLayer + " not found?" ); |
---|
589 |
else |
---|
590 |
{ |
---|
591 |
|
---|
592 |
oLayer.left = x; |
---|
593 |
oLayer.top = y; |
---|
594 |
} |
---|
595 |
} |
---|
596 |
|
---|
597 |
|
---|
598 |
/* ==================================================================== */ |
---|
599 |
/* CWCDHTML_PositionLayerByLayer( szLayer, szImage ) */ |
---|
600 |
/* positions layer based on layer (t,b,l,r) */ |
---|
601 |
/* ==================================================================== */ |
---|
602 |
function CWCDHTML_PositionLayerByLayer( szTabsetLayer, szContentLayer ) |
---|
603 |
{ |
---|
604 |
var oTSLayer = CWCDHTML_GetLayer( szTabsetLayer ); |
---|
605 |
var oCLayer = CWCDHTML_GetLayer( szContentLayer ); |
---|
606 |
|
---|
607 |
var szPosition; |
---|
608 |
var deltaX, deltaY; |
---|
609 |
|
---|
610 |
var layerCX = parseInt( oCLayer.left ); |
---|
611 |
var layerCY = parseInt( oCLayer.top ); |
---|
612 |
|
---|
613 |
//If no position specified then put the layer to the top left |
---|
614 |
if (arguments.length > 2) |
---|
615 |
szPosition = arguments[2]; |
---|
616 |
else |
---|
617 |
szPosition = "t"; |
---|
618 |
|
---|
619 |
//Are there offsets set? |
---|
620 |
if (arguments.length == 5) |
---|
621 |
{ |
---|
622 |
nXOffset = arguments[3]; |
---|
623 |
nYOffset = arguments[4]; |
---|
624 |
} |
---|
625 |
else |
---|
626 |
{ |
---|
627 |
nXOffset = 0; |
---|
628 |
nYOffset = 0; |
---|
629 |
} |
---|
630 |
|
---|
631 |
if( szPosition == "t" ) /////////////////////////////////TOP |
---|
632 |
{ |
---|
633 |
var layerTSHeight = parseInt( oTSLayer.height ); |
---|
634 |
deltaX = layerCX + nXOffset; |
---|
635 |
deltaY = layerCY - layerTSHeight - nYOffset; |
---|
636 |
} |
---|
637 |
else if( szPosition == "b" ) ////////////////////////////BOTTOM |
---|
638 |
{ |
---|
639 |
var layerCHeight = parseInt( oCLayer.height ); |
---|
640 |
deltaX = layerCX + nXOffset; |
---|
641 |
deltaY = layerCY + layerCHeight + nYOffset; |
---|
642 |
} |
---|
643 |
|
---|
644 |
else if( szPosition == "l" ) ////////////////////////////LEFT |
---|
645 |
{ |
---|
646 |
var layerCWidth = parseInt( oCLayer.width ); |
---|
647 |
deltaX = layerCX + layerCWidth + nXOffset; |
---|
648 |
deltaY = layerCY + nYOffset; |
---|
649 |
} |
---|
650 |
else ////////////////////////////////////////////////////RIGHT |
---|
651 |
{ |
---|
652 |
var layerTSWidth = parseInt( oTSLayer.width ); |
---|
653 |
deltaX = layerCX - layerTSWidth - nXOffset; |
---|
654 |
deltaY = layerCY + nYOffset; |
---|
655 |
} |
---|
656 |
|
---|
657 |
oTSLayer.left = deltaX; |
---|
658 |
oTSLayer.top = deltaY; |
---|
659 |
|
---|
660 |
} |
---|
661 |
|
---|
662 |
|
---|
663 |
/* ==================================================================== */ |
---|
664 |
/* CWCDHTML_ShowContents( szLayerName, szContents ) */ |
---|
665 |
/* writes content to a layer */ |
---|
666 |
/* ==================================================================== */ |
---|
667 |
function CWCDHTML_ShowContents(szLayerName,szContents) |
---|
668 |
{ |
---|
669 |
|
---|
670 |
oLayer = CWCDHTML_GetLayer(szLayerName, true); |
---|
671 |
|
---|
672 |
if (CWCIsNav4) |
---|
673 |
{ |
---|
674 |
oLayer.document.open(); |
---|
675 |
oLayer.document.write(szContents); |
---|
676 |
oLayer.document.close(); |
---|
677 |
} |
---|
678 |
else |
---|
679 |
{ |
---|
680 |
oLayer.innerHTML = szContents; |
---|
681 |
} |
---|
682 |
|
---|
683 |
} |
---|
684 |
|
---|
685 |
|
---|
686 |
function CWCDHTML_AddEventHandler() |
---|
687 |
{ |
---|
688 |
} |
---|